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NTIS

09/22/2010

Collation

61 p. : digital, PDF file, col. ill., charts, maps, plans

Abstract

Stormwater runoff in urban and developing areas is one of the leading sources of water pollution in the United States. In recognition of this issue, Congress enacted Section 438 ofthe Energy Independence and Security Act of 2007 (EISA) to require federal agencies to reduce stormwater runoff from federal development projects to protect water resources. More recently, the President signed Executive Order 13514 on 'Federal Leadership in Environmental, Energy, and Economic Performance' calling upon all federal agencies to 'lead by example' to address a wide range of environmental issues, including stormwater runoff. The Executive Order required the U.S. Environmental Protection Agency (EPA), in coordination with other federal agencies, to publish this Technical Guidance. EPA worked closely with many federal agencies to develop this Technical Guidance to help federal agencies in implementing EISA Section 438. The guidance provides a step-by-step framework that will help federal agencies maintain pre-development site hydrology by retaining rainfall on-site through infiltration, evaporation/transpiration, and re-use to the same extent as occurred prior to development. The Technical Guidance provides background information, key definitions, case studies, and guidance on meeting the new requirements. Federal agencies can comply with Section 438 by using a variety of stormwater management practices often referred to as 'green infrastructure' or 'low impact development' practices, including, for example, reducing impervious surfaces, using vegetative practices, porous pavements, cisterns and green roofs. One of the most exciting new trends in water quality management today is the movement by many cities, counties, states, and private sector developers toward the increased use of this next generation stormwater management practices to help protect and restore water quality.

Notes

Title from title screen (viewed on 12/9/09). "December 2009". "EPA 841-B-09-001". Includes bibliographical references (p. 55-56).

Contents Notes

"Guidance to help federal agencies minimize the impact of federal development projects on nearby water bodies. The guidance is being issued in response to a change in law and an Executive Order signed by President Obama, which calls upon all federal agencies to lead by example to address a wide range of environmental issues, including stormwater runoff ... Under the new requirements, federal agencies must minimize stormwater runoff from federal development projects to protect water resources. Federal agencies can comply using a variety of stormwater management practices often referred to as 'green infrastructure' or 'low impact development' practices, including reducing impervious surfaces, using vegetative practices, using porous pavements and installing green roofs."--Press release.